In a world awash with plastic trash, the complexity and cost of recycling plastic on an industrial scale remain a challenge, but one innovative enterprise wants to put the power to recycle in the hands of communities.

Discussions on how to address climate change have focused, very appropriately, on reducing greenhouse gas emissions, particularly those of carbon dioxide, the major contributor to climate change and a long-lived greenhouse gas. Reducing emissions should remain the paramount climate goal.

I’m a word guy, if you hadn’t noticed. I love learning new words, turning old ones inside-out to use them in new ways — and, of course, engaging in wordplay, from puns to double entendres to other forms of linguistic gymnastics.

In its latest report, the United Nations Intergovernmental Panel on Climate Change (IPCC) warned that the world has only a dozen or so years to ensure that global warming is kept to a maximum of 1.5 degrees Celsius.

It's not often that environmental news even gets close to trumping the arrival of a royal baby. But fresh in the wake of Extinction Rebellion protests, the declaration of a "climate emergency," the publication of the Committee on Climate Change's Net Zero report and a surge in electoral support for the Green Party, some news outlets grasped which way the wind is blowing.

Insects scuttle, chew and fly through the world around us. Humans rely on them to pollinate plants, prey on insects that we don’t get along with, and to be movers and shakers for Earth’s ecosystems. It’s hard to imagine a world without insects.

In order to keep the rise in global mean temperatures "well below 2 degrees Celsius" above pre-industrial levels and to try to limit global warming to 1.5 C, the Paris Agreement commits to net-zero emissions globally in the second half of this century.